.Brand-box{
    width: 100%;
    height: 950px;
    /* background: red; */
}
.box-top{
    width: 100%;
    height: 400px;
}
.box-top img{
    width: 100%;
    height: 100%;

}
.box-content{
    width: 85%;
    height: 700px;
    margin: 0 auto;
}
.box-content span{
    font-size: 14px;
    color: black;
    margin-top: 10px;
    display: block;
}
.box-content-nav{
    width: 100%;
    height: 50px;
    background: rgb(209, 207, 207);
}
.box-content-nav span{
    font-size: 14px;
    color: black;
   line-height: 50px;
    display: block;
    margin-left: 40px;
}
.top-top{
    width: 100%;
    height: 100px;
}